Toothbrush



FIG. 1 is a back, left side perspective of a toothbrush embodying my new design.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a rear elevation view thereof.

FIG. 4 is a left side, rear perspective view, the right side, rear perspective view being a mirror image.

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines immediately adjacent the surface shading represent the bounds of the claim and the broken lines showing a brush head and the remainder of the handle illustrate portions of the toothbrush all of which form no part of the claimed design. 

The ornamental design for a toothbrush, as shown and described. 